sync docs with 2.2

doc/CHANGELOG

@@ -21,6 +21,14 @@ New and changed features
 * You can now change the state of a context to closed
 * Czech locale has been renamed from cz to cs to follow ISO standards
 
+== Version 2.2.2
+
+* Security fixes
+
+== Version 2.2.1
+
+* Bugfixes (including one that prevented Tracks to work on ruby 1.8.7)
+
 == Version 2.2
 
 The main change to this release of Tracks is the migration to Rails 3.2. We had 

doc/upgrading.textile

@@ -17,6 +17,20 @@ Please note that if you intend to use Tracks with the built in webserver called
 
 The Czech locale has been renamed from @cz@ to @cs@ in accordance with ISO standards. Users of the Czech locale will need to edit their preferences and reselct the locale under the new name.
 
+h2. Upgrading from Tracks 2.2 to 2.2.1 and to 2.2.2
+
+2.2.1 and 2.2.2 contain bug- and security fixes. For details about the contents of the release, please see the "difference view":https://github.com/TracksApp/tracks/compare/v2.2...v2.2.2 on GitHub.
+
+To upgrade:
+# Back up your existing database and installation of Tracks
+# Install Tracks 2.2.2 in a new directory
+# Copy over the configuration from your previous Tracks installation. If using SQLite3, copy the old database into the new Tracks 2.2.2 directory.
+# Update @site.yml@ in the @/config@ directory and set the @secret_token@ to a large random string. See also the comment in @site.yml.tmpl@.
+# Check that you have all dependencies installed: @bundle install --without development test@
+# Precompile your static assets (css, javascript, etc.) by running @bundle exec rake assets:precompile@.
+# Run @bundle exec rails server -e production@ inside your Tracks 2.2.2 directory to start up Tracks 2.2.2
+# Once you are happy that everything is working well, delete your old Tracks directory.
+
 h2. Upgrading from Tracks 2.1.x or 2.2RC to 2.2
 
 This release adds a variety of new features and bugfixes to Tracks.